Developer's Guide

Table Of Contents
Payflow Pro Developer’s Guide 67
A
Processors Requiring Additional
Transaction Parameters
This appendix lists both required and optional parameters supplementary to the common
parameter set.
In this Appendix
z “American Express” on page 67
z “First Data Merchant Services (FDMS) Nashville” on page 76
z “First Data Merchant Services (FDMS) South” on page 77
z “First Data Merchant Services (FDMS) North” on page 77
z “Elavon (Formerly Nova)” on page 79
z “Paymentech” on page 79
z “TSYS Acquiring Solutions” on page 83
American Express
In addition to the parameters in Table 4.1 , “Credit card transaction request parameters,”
American Express accepts the parameters described in this section. Parameters to meet
American Express Card Acceptance and Processing Network (CAPN) requirements are
described in Table A.1. American Express (legacy) platform parameters are described in
Table A.2.